uva 10066 The Twin Towers

lcs，答案輸出後有一個空行……

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<algorithm>
#include<iostream>
using namespace std;

int main()
{
    int a[],b[],i,j,n1,n2,dp[][],cas=;
    while(~scanf("%d%d",&n1,&n2)&&n1&&n2)
    {
        for(i=;i<n1;i++) scanf("%d",&a[i]);
        for(i=;i<n2;i++) scanf("%d",&b[i]);
        memset(dp,,sizeof(dp));
        for(i=;i<=n1;i++)
            for(j=;j<=n2;j++)
        {
            if(a[i-]==b[j-]) dp[i][j]=dp[i-][j-]+;
            else dp[i][j]=max(dp[i-][j],dp[i][j-]);
        }
        printf("Twin Towers #%d\n",++cas);
        printf("Number of Tiles : %d\n\n",dp[n1][n2]);
    }
    return ;
}